Description
Bitumen, as outlined in the provided specifications, is characterized by properties like specific gravity, penetration, softening point, ductility, and loss on heating. Depending on the grade (30/40, 40/50, 60/70, or 85/100), bitumen shows varying levels of penetration and softening points, indicating its suitability for different paving and construction applications. It maintains high ductility, minimal loss on heating, and specific flash and solubility properties, ensuring durability and performance under various environmental conditions.
| No | Characteristics | Test Method | 30/40 | 40/50 | 60/70 | 85/100 |
|---|---|---|---|---|---|---|
| 1 | Specific Gravity @ 25°C | ASTM_D3289 | 1.00 – 1.25 | 1.00 – 1.25 | 1.00 – 1.25 | 1.00 – 1.25 |
| 2 | Penetration @25°C, 10 mm | ASTM_D5 | 30 – 40 | 40 – 50 | 60 – 70 | 85 – 100 |
| 3 | Softening Point, °C | ASTM_D36 | 55 – 63 | 52 – 60 | 49 – 56 | 45 – 52 |
| 4 | Ductility @ 25°C, cm | ASTM_D113 | Min 100 | Min 100 | Min 100 | Min 100 |
| 5 | Loss On Heating, % | ASTM_D6 | 0.03 | 0.03 | 0.03 | 0.03 |
| 6 | Drop in Penetration After Heating, % | ASTM_D6 / D5 | Max 20 | Max 20 | Max 20 | Max 20 |
| 7 | Spot Test | AASHTO T 102 | NEG | NEG | NEG | NEG |
| 8 | Flash Point, °C | ASTM_D92 | Min 250 | Min 250 | Min 250 | Min 250 |
| 9 | Solubility in CS₂, % | ASTM_D4 | 5.99 | 5.99 | 5.99 | 5.99 |
